Bernie Sanders ending presidential campaign

Sen. Bernie Sanders, who saw his once strong lead in the Democratic primary evaporate as the party's establishment lined swiftly up behind rival Joe Biden, ended his presidential bid on Wednesday, an acknowledgment that the former vice president is too far ahead for him to have any reasonable hope of catching up.

Biden claims momentum as Buttigieg drops out of race

Joe Biden said Sunday he can "unite this country, the whole country” after scoring a comeback victory in South Carolina’s Democratic primary that could force moderate rivals out of the race and blunt the rise of progressive leader Bernie Sanders.